Finding the Fourth Proportional to 899,182.44, 1,240,857.29 and 491,275.53
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Solution
The fourth proportional to 899,182.44, 1,240,857.29 and 491,275.53 is: 677,952.32
Step by Step Solution
- Step 1: Write the proportion equation
899,182.44 : 1,240,857.29 = 491,275.53 : x - Step 2: Convert to fraction form
899,182.44/1,240,857.29 = 491,275.53/x - Step 3: Cross multiply
899,182.44x = 1,240,857.29 × 491,275.53 - Step 4: Simplify right side
899,182.44x = 609,602,824,027.30 - Step 5: Solve for x
x = 609,602,824,027.30/899,182.44 - Step 6: Final answer
x = 677,952.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.